showAlert method
Implementation
Future<void> showAlert(String title, String? message) {
return showDialog<String>(
context: _context,
barrierDismissible:
false, // dialog is dismissible with a tap on the barrier
builder: (BuildContext context) {
return AlertDialog(
title: Text(title),
content: Row(
children: <Widget>[
Expanded(child: Text(message!)),
],
),
actions: <Widget>[
ElevatedButton(
child: const Text('Ok'),
onPressed: () {
Navigator.of(context).pop();
},
),
],
);
},
);
}